getpbuf_kva
bp = getpbuf_kva(NULL); /* get a buffer header */
bp = getpbuf_kva(NULL);
bp = getpbuf_kva(&vp->v_pbuf_count);
bp = getpbuf_kva(&vp->v_mount->mnt_pbuf_count);
struct buf *getpbuf_kva (int *);
bp = getpbuf_kva(NULL);
bp = getpbuf_kva(&smbfs_pbuf_freecnt);
bp = getpbuf_kva(&smbfs_pbuf_freecnt);
bp = getpbuf_kva(&nsw_rcount);
bp = getpbuf_kva(&nsw_wcount_sync);
bp = getpbuf_kva(&nsw_wcount_async);